Why/How does SAGE allow for PI and PP to be raised and paid if the invoice reference has already been used? Please can Sage to flag up transactions that have the same invoice number but different dates.
I understand if we are entering a transaction that has the same account reference, date, amount and details as a transaction that's already been posted, it will flag up it's a potential duplicate, but sometimes the date would be different and therefore it doesn't get picked up at all.
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